“…Second, distinct from informal registers that are oral, interactive, and spontaneous, the academic register tends to be written, nonparticipatory, and logically organized (Schleppegrell, 2001). Third, this register usually assumes unequal relations between interactants, projecting an authoritative voice and low affective involvement (Christie, 2002;Eggins, 2004;Schleppegrell, 2001Schleppegrell, , 2004. 3 Numerous SFL analyses have revealed how the academic register is realized through a co-occurring set of lexical and grammatical features (Colombi & Schleppegrell, 2002;Halliday, 1994;Schleppegrell, 2004; see also Eggins, 2004, for analytic method).…”